the name of the fbi agent who helped start the investigation that eventually led to the resignation of the nation's top spy. the name of the agent is frederick w. humphries ii. he's 47 years old. he was the investigator who first learned of a complaint from jill kelley that she received harassing e-mails. the government has taken away for now, the top security clearance of paula broadwell, the former mistress of david petraeus. this is after investigators found substantial classified information on her computer and the glaering question tonight is did broadwell's relationship with david petraeus give her access to these classified documents? "outfront" tonight, cnn national security contributor, fran townsend. she's also a member of the cia external add voizry committee and knowed a lot about what it means to have top clearance. the name of the fbi agent, frederick humphries, who was by the way, involved in foiling a terrorist attack in 1999. very accomplished fbi agent. what do you know about the relationship? >> it's interesting. apparently, i understand from a senior law enforcem
